27698120331 has 8 divisors (see below), whose sum is σ = 42206659584. Its totient is φ = 15827497320.

The previous prime is 27698120297. The next prime is 27698120347. The reversal of 27698120331 is 13302189672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27698120331 - 2¹³ = 27698112139 is a prime.

It is a super-2 number, since 2×27698120331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27698120831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659479035 + ... + 659479076.

It is an arithmetic number, because the mean of its divisors is an integer number (5275832448).

Almost surely, 2^27698120331 is an apocalyptic number.

27698120331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27698120331 is a deficient number, since it is larger than the sum of its proper divisors (14508539253).

27698120331 is a wasteful number, since it uses less digits than its factorization.

27698120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318958121.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 27698120331 in words is "twenty-seven billion, six hundred ninety-eight million, one hundred twenty thousand, three hundred thirty-one".